BMW E90 ABS Warning Light reset

BMW E90 ABS Warning Light reset

BMW E90 ABS Warning Light reset

Turning on the ABS light while driving can be a problem. The constant lighting of the ABS light indicates a technical problem in the braking system, which requires a faster check and fix to prevent the system from malfunctioning.

However, technical problems in some BMW models can be detected by the automatic fault diagnosis system in BMW. This error will be fixed by the system after some time. But one of the common problems for BMW car owners is the problem of the ABS light turning on and off for no reason. In this situation, as soon as the car is turned on, the ABS light turns on for a few seconds and then turns off and turns on again. Or even in general, the ABS light stays on.

BMW E90 ABS Warning Light reset

BMW E90 ABS and traction control light on; What is the Problem ?

ABS control unit or ABS module is a box under the hood next to the engine, which is responsible for the control and operation of the car’s anti-lock braking system. Based on this, this system helps to maintain the stable performance of the car in different conditions, such as driving in rainy and snowy weather, by controlling the wheel locking function and the amount of brake pressure.

Based on this, when the ABS warning light turns on unintentionally and unknown, the system intends to inform about the discovered system error.

Of course, in some cases, lack of tire pressure can cause the ABS warning light to turn on permanently.

However, more important factors such as the wear of the connecting wire or any wear and moisture entered into the connector plug can be an important factor for the occurrence of unwanted connections in the ABS module circuit.

In most cases, the improper connection caused by the plug connector is the main cause of problems in BMW cars. which can be fixed by checking and often without the need for special equipment.

  • There are two basic ways to solve this error .

The First Solution:

BMW E90 abs light reset without tool

  1. First, turn off the car and find the ABS unit box (ABS module) next to the car engine.

Next to the engine is an ABS box with a black cover that protects against moisture and movement.

(marked in red in the picture)

BMW E90 ABS Warning Light location

2. After opening the protective plastic door. Use the back of a screwdriver to hit both sides of the module. These blows made by the back of a screwdriver can remove any deposits or blockages caused by proper and accurate connection of the connector plug. Then put the protective plastic cover on the ABS module again and close it tightly.

3. Turn on the car once again and reset all settings related to driving mode and put it in normal driving mode.

BMW E90 ABS Warning Light reset

How to reset ABS light on BMW 3 Series ?

The second solution can be the main solution or a supplement to the first solution :

  1. Open the hood of the car and look for the ABS module next to the engine when the car is off.

2. Open the cover of the module and put it aside.

3. Next to the ABS module, you can easily find the corresponding plug counter. (according to the picture)

4. With the help of a sharp object, release both sides of the connector clip and slowly take the connector out of its place.

5. Take out the connector as much as necessary to make sure that it is disconnected, then put it back in place and secure it again.

6. Close the protective plastic cover of the module again

7. Start the car

BMW E90 ABS Warning Light reset

Conclusion :

In this situation, the ABS light of the car turns off when the car starts moving. In other situations, both existing methods were not able to solve the problem properly. You should discuss the problem with an expert. The occurrence of a serious problem in the ABS module and the need to replace the fuse in this situation is a definite and permanent solution.

Also, to check other problems of BMW cars and find a solution for it, you can search for your problem in the articles section of the site in the BMW cars section.

For example, in this article, we will teach you about the ability of BMW cars to submerge in water.

BMW XSeries X3 X5 X6 X7 Water Fording

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